The data for a random sample of 10 paired observations are shown in the following table and
Question:
The data for a random sample of 10 paired observations are shown in the following table and saved in the
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a. If you wish to test whether these data are sufficient to indicate that the mean for population 2 is larger than that for population 1, what are the appropriate null and alternative hypotheses? Define any symbols you use.
b. Conduct the test from part a, using α = .10. What is your decision?
c. Find a 90% confidence interval for µd. Interpret this interval.
d. What assumptions are necessary to ensure the validity of the preceding analysis?
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a Let 1 mean of population 1 and 2 mean of population 2 ...View the full answer
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